Home / 3,600.86-5,394.09-2,861.71

Finding the Fourth Proportional to 3,600.86, 5,394.09 and 2,861.71

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Solution

The fourth proportional to 3,600.86, 5,394.09 and 2,861.71 is: 4,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.86 : 5,394.09 = 2,861.71 : x
  2. Step 2: Convert to fraction form
    3,600.86/5,394.09 = 2,861.71/x
  3. Step 3: Cross multiply
    3,600.86x = 5,394.09 × 2,861.71
  4. Step 4: Simplify right side
    3,600.86x = 15,436,294.32
  5. Step 5: Solve for x
    x = 15,436,294.32/3,600.86
  6. Step 6: Final answer
    x = 4,286.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.